Across
- 2. dwarf planet that is farthest from the sun
- 5. how much matter an object is made up of
- 7. closest planet to the Sun
- 9. measure of gravitational pull on an object
- 10. Gas giant that is surrounded by icy rings.
- 11. force that pulls things down
- 13. scientist who thought about falling objects
- 14. object that revolves around the earth
- 15. known as "The Red Planet"
Down
- 1. orbit around another body
- 3. coldest planet in our solar system
- 4. The biggest planet in our solar system that has the most moons
- 6. the smallest gas giant
- 8. our home planet that is the only planet that supports life at the moment
- 12. the hottest planet in the solar system